Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 954 deletions

diff --git a/qemu/audio/paaudio.c b/qemu/audio/paaudio.c
deleted file mode 100644
index 57678e72e..000000000
--- a/qemu/audio/paaudio.c
+++ /dev/null
@@ -1,954 +0,0 @@
-/* public domain */
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "audio.h"
-
-#include <pulse/pulseaudio.h>
-
-#define AUDIO_CAP "pulseaudio"
-#include "audio_int.h"
-#include "audio_pt_int.h"
-
-typedef struct {
-    int samples;
-    char *server;
-    char *sink;
-    char *source;
-} PAConf;
-
-typedef struct {
-    PAConf conf;
-    pa_threaded_mainloop *mainloop;
-    pa_context *context;
-} paaudio;
-
-typedef struct {
-    HWVoiceOut hw;
-    int done;
-    int live;
-    int decr;
-    int rpos;
-    pa_stream *stream;
-    void *pcm_buf;
-    struct audio_pt pt;
-    paaudio *g;
-} PAVoiceOut;
-
-typedef struct {
-    HWVoiceIn hw;
-    int done;
-    int dead;
-    int incr;
-    int wpos;
-    pa_stream *stream;
-    void *pcm_buf;
-    struct audio_pt pt;
-    const void *read_data;
-    size_t read_index, read_length;
-    paaudio *g;
-} PAVoiceIn;
-
-static void qpa_audio_fini(void *opaque);
-
-static void GCC_FMT_ATTR (2, 3) qpa_logerr (int err, const char *fmt, ...)
-{
-    va_list ap;
-
-    va_start (ap, fmt);
-    AUD_vlog (AUDIO_CAP, fmt, ap);
-    va_end (ap);
-
-    AUD_log (AUDIO_CAP, "Reason: %s\n", pa_strerror (err));
-}
-
-#ifndef PA_CONTEXT_IS_GOOD
-static inline int PA_CONTEXT_IS_GOOD(pa_context_state_t x)
-{
-    return
-        x == PA_CONTEXT_CONNECTING ||
-        x == PA_CONTEXT_AUTHORIZING ||
-        x == PA_CONTEXT_SETTING_NAME ||
-        x == PA_CONTEXT_READY;
-}
-#endif
-
-#ifndef PA_STREAM_IS_GOOD
-static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x)
-{
-    return
-        x == PA_STREAM_CREATING ||
-        x == PA_STREAM_READY;
-}
-#endif
-
-#define CHECK_SUCCESS_GOTO(c, rerror, expression, label)        \
-    do {                                                        \
-        if (!(expression)) {                                    \
-            if (rerror) {                                       \
-                *(rerror) = pa_context_errno ((c)->context);    \
-            }                                                   \
-            goto label;                                         \
-        }                                                       \
-    } while (0);
-
-#define CHECK_DEAD_GOTO(c, stream, rerror, label)                       \
-    do {                                                                \
-        if (!(c)->context || !PA_CONTEXT_IS_GOOD (pa_context_get_state((c)->context)) || \
-            !(stream) || !PA_STREAM_IS_GOOD (pa_stream_get_state ((stream)))) { \
-            if (((c)->context && pa_context_get_state ((c)->context) == PA_CONTEXT_FAILED) || \
-                ((stream) && pa_stream_get_state ((stream)) == PA_STREAM_FAILED)) { \
-                if (rerror) {                                           \
-                    *(rerror) = pa_context_errno ((c)->context);        \
-                }                                                       \
-            } else {                                                    \
-                if (rerror) {                                           \
-                    *(rerror) = PA_ERR_BADSTATE;                        \
-                }                                                       \
-            }                                                           \
-            goto label;                                                 \
-        }                                                               \
-    } while (0);
-
-static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int *rerror)
-{
-    paaudio *g = p->g;
-
-    pa_threaded_mainloop_lock (g->mainloop);
-
-    CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
-
-    while (length > 0) {
-        size_t l;
-
-        while (!p->read_data) {
-            int r;
-
-            r = pa_stream_peek (p->stream, &p->read_data, &p->read_length);
-            CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail);
-
-            if (!p->read_data) {
-                pa_threaded_mainloop_wait (g->mainloop);
-                CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
-            } else {
-                p->read_index = 0;
-            }
-        }
-
-        l = p->read_length < length ? p->read_length : length;
-        memcpy (data, (const uint8_t *) p->read_data+p->read_index, l);
-
-        data = (uint8_t *) data + l;
-        length -= l;
-
-        p->read_index += l;
-        p->read_length -= l;
-
-        if (!p->read_length) {
-            int r;
-
-            r = pa_stream_drop (p->stream);
-            p->read_data = NULL;
-            p->read_length = 0;
-            p->read_index = 0;
-
-            CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail);
-        }
-    }
-
-    pa_threaded_mainloop_unlock (g->mainloop);
-    return 0;
-
-unlock_and_fail:
-    pa_threaded_mainloop_unlock (g->mainloop);
-    return -1;
-}
-
-static int qpa_simple_write (PAVoiceOut *p, const void *data, size_t length, int *rerror)
-{
-    paaudio *g = p->g;
-
-    pa_threaded_mainloop_lock (g->mainloop);
-
-    CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
-
-    while (length > 0) {
-        size_t l;
-        int r;
-
-        while (!(l = pa_stream_writable_size (p->stream))) {
-            pa_threaded_mainloop_wait (g->mainloop);
-            CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
-        }
-
-        CHECK_SUCCESS_GOTO (g, rerror, l != (size_t) -1, unlock_and_fail);
-
-        if (l > length) {
-            l = length;
-        }
-
-        r = pa_stream_write (p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE);
-        CHECK_SUCCESS_GOTO (g, rerror, r >= 0, unlock_and_fail);
-
-        data = (const uint8_t *) data + l;
-        length -= l;
-    }
-
-    pa_threaded_mainloop_unlock (g->mainloop);
-    return 0;
-
-unlock_and_fail:
-    pa_threaded_mainloop_unlock (g->mainloop);
-    return -1;
-}
-
-static void *qpa_thread_out (void *arg)
-{
-    PAVoiceOut *pa = arg;
-    HWVoiceOut *hw = &pa->hw;
-
-    if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
-        return NULL;
-    }
-
-    for (;;) {
-        int decr, to_mix, rpos;
-
-        for (;;) {
-            if (pa->done) {
-                goto exit;
-            }
-
-            if (pa->live > 0) {
-                break;
-            }
-
-            if (audio_pt_wait (&pa->pt, AUDIO_FUNC)) {
-                goto exit;
-            }
-        }
-
-        decr = to_mix = audio_MIN (pa->live, pa->g->conf.samples >> 2);
-        rpos = pa->rpos;
-
-        if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) {
-            return NULL;
-        }
-
-        while (to_mix) {
-            int error;
-            int chunk = audio_MIN (to_mix, hw->samples - rpos);
-            struct st_sample *src = hw->mix_buf + rpos;
-
-            hw->clip (pa->pcm_buf, src, chunk);
-
-            if (qpa_simple_write (pa, pa->pcm_buf,
-                                  chunk << hw->info.shift, &error) < 0) {
-                qpa_logerr (error, "pa_simple_write failed\n");
-                return NULL;
-            }
-
-            rpos = (rpos + chunk) % hw->samples;
-            to_mix -= chunk;
-        }
-
-        if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
-            return NULL;
-        }
-
-        pa->rpos = rpos;
-        pa->live -= decr;
-        pa->decr += decr;
-    }
-
- exit:
-    audio_pt_unlock (&pa->pt, AUDIO_FUNC);
-    return NULL;
-}
-
-static int qpa_run_out (HWVoiceOut *hw, int live)
-{
-    int decr;
-    PAVoiceOut *pa = (PAVoiceOut *) hw;
-
-    if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
-        return 0;
-    }
-
-    decr = audio_MIN (live, pa->decr);
-    pa->decr -= decr;
-    pa->live = live - decr;
-    hw->rpos = pa->rpos;
-    if (pa->live > 0) {
-        audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC);
-    }
-    else {
-        audio_pt_unlock (&pa->pt, AUDIO_FUNC);
-    }
-    return decr;
-}
-
-static int qpa_write (SWVoiceOut *sw, void *buf, int len)
-{
-    return audio_pcm_sw_write (sw, buf, len);
-}
-
-/* capture */
-static void *qpa_thread_in (void *arg)
-{
-    PAVoiceIn *pa = arg;
-    HWVoiceIn *hw = &pa->hw;
-
-    if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
-        return NULL;
-    }
-
-    for (;;) {
-        int incr, to_grab, wpos;
-
-        for (;;) {
-            if (pa->done) {
-                goto exit;
-            }
-
-            if (pa->dead > 0) {
-                break;
-            }
-
-            if (audio_pt_wait (&pa->pt, AUDIO_FUNC)) {
-                goto exit;
-            }
-        }
-
-        incr = to_grab = audio_MIN (pa->dead, pa->g->conf.samples >> 2);
-        wpos = pa->wpos;
-
-        if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) {
-            return NULL;
-        }
-
-        while (to_grab) {
-            int error;
-            int chunk = audio_MIN (to_grab, hw->samples - wpos);
-            void *buf = advance (pa->pcm_buf, wpos);
-
-            if (qpa_simple_read (pa, buf,
-                                 chunk << hw->info.shift, &error) < 0) {
-                qpa_logerr (error, "pa_simple_read failed\n");
-                return NULL;
-            }
-
-            hw->conv (hw->conv_buf + wpos, buf, chunk);
-            wpos = (wpos + chunk) % hw->samples;
-            to_grab -= chunk;
-        }
-
-        if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
-            return NULL;
-        }
-
-        pa->wpos = wpos;
-        pa->dead -= incr;
-        pa->incr += incr;
-    }
-
- exit:
-    audio_pt_unlock (&pa->pt, AUDIO_FUNC);
-    return NULL;
-}
-
-static int qpa_run_in (HWVoiceIn *hw)
-{
-    int live, incr, dead;
-    PAVoiceIn *pa = (PAVoiceIn *) hw;
-
-    if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
-        return 0;
-    }
-
-    live = audio_pcm_hw_get_live_in (hw);
-    dead = hw->samples - live;
-    incr = audio_MIN (dead, pa->incr);
-    pa->incr -= incr;
-    pa->dead = dead - incr;
-    hw->wpos = pa->wpos;
-    if (pa->dead > 0) {
-        audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC);
-    }
-    else {
-        audio_pt_unlock (&pa->pt, AUDIO_FUNC);
-    }
-    return incr;
-}
-
-static int qpa_read (SWVoiceIn *sw, void *buf, int len)
-{
-    return audio_pcm_sw_read (sw, buf, len);
-}
-
-static pa_sample_format_t audfmt_to_pa (audfmt_e afmt, int endianness)
-{
-    int format;
-
-    switch (afmt) {
-    case AUD_FMT_S8:
-    case AUD_FMT_U8:
-        format = PA_SAMPLE_U8;
-        break;
-    case AUD_FMT_S16:
-    case AUD_FMT_U16:
-        format = endianness ? PA_SAMPLE_S16BE : PA_SAMPLE_S16LE;
-        break;
-    case AUD_FMT_S32:
-    case AUD_FMT_U32:
-        format = endianness ? PA_SAMPLE_S32BE : PA_SAMPLE_S32LE;
-        break;
-    default:
-        dolog ("Internal logic error: Bad audio format %d\n", afmt);
-        format = PA_SAMPLE_U8;
-        break;
-    }
-    return format;
-}
-
-static audfmt_e pa_to_audfmt (pa_sample_format_t fmt, int *endianness)
-{
-    switch (fmt) {
-    case PA_SAMPLE_U8:
-        return AUD_FMT_U8;
-    case PA_SAMPLE_S16BE:
-        *endianness = 1;
-        return AUD_FMT_S16;
-    case PA_SAMPLE_S16LE:
-        *endianness = 0;
-        return AUD_FMT_S16;
-    case PA_SAMPLE_S32BE:
-        *endianness = 1;
-        return AUD_FMT_S32;
-    case PA_SAMPLE_S32LE:
-        *endianness = 0;
-        return AUD_FMT_S32;
-    default:
-        dolog ("Internal logic error: Bad pa_sample_format %d\n", fmt);
-        return AUD_FMT_U8;
-    }
-}
-
-static void context_state_cb (pa_context *c, void *userdata)
-{
-    paaudio *g = userdata;
-
-    switch (pa_context_get_state(c)) {
-    case PA_CONTEXT_READY:
-    case PA_CONTEXT_TERMINATED:
-    case PA_CONTEXT_FAILED:
-        pa_threaded_mainloop_signal (g->mainloop, 0);
-        break;
-
-    case PA_CONTEXT_UNCONNECTED:
-    case PA_CONTEXT_CONNECTING:
-    case PA_CONTEXT_AUTHORIZING:
-    case PA_CONTEXT_SETTING_NAME:
-        break;
-    }
-}
-
-static void stream_state_cb (pa_stream *s, void * userdata)
-{
-    paaudio *g = userdata;
-
-    switch (pa_stream_get_state (s)) {
-
-    case PA_STREAM_READY:
-    case PA_STREAM_FAILED:
-    case PA_STREAM_TERMINATED:
-        pa_threaded_mainloop_signal (g->mainloop, 0);
-        break;
-
-    case PA_STREAM_UNCONNECTED:
-    case PA_STREAM_CREATING:
-        break;
-    }
-}
-
-static void stream_request_cb (pa_stream *s, size_t length, void *userdata)
-{
-    paaudio *g = userdata;
-
-    pa_threaded_mainloop_signal (g->mainloop, 0);
-}
-
-static pa_stream *qpa_simple_new (
-        paaudio *g,
-        const char *name,
-        pa_stream_direction_t dir,
-        const char *dev,
-        const pa_sample_spec *ss,
-        const pa_channel_map *map,
-        const pa_buffer_attr *attr,
-        int *rerror)
-{
-    int r;
-    pa_stream *stream;
-
-    pa_threaded_mainloop_lock (g->mainloop);
-
-    stream = pa_stream_new (g->context, name, ss, map);
-    if (!stream) {
-        goto fail;
-    }
-
-    pa_stream_set_state_callback (stream, stream_state_cb, g);
-    pa_stream_set_read_callback (stream, stream_request_cb, g);
-    pa_stream_set_write_callback (stream, stream_request_cb, g);
-
-    if (dir == PA_STREAM_PLAYBACK) {
-        r = pa_stream_connect_playback (stream, dev, attr,
-                                        PA_STREAM_INTERPOLATE_TIMING
-#ifdef PA_STREAM_ADJUST_LATENCY
-                                        |PA_STREAM_ADJUST_LATENCY
-#endif
-                                        |PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL);
-    } else {
-        r = pa_stream_connect_record (stream, dev, attr,
-                                      PA_STREAM_INTERPOLATE_TIMING
-#ifdef PA_STREAM_ADJUST_LATENCY
-                                      |PA_STREAM_ADJUST_LATENCY
-#endif
-                                      |PA_STREAM_AUTO_TIMING_UPDATE);
-    }
-
-    if (r < 0) {
-      goto fail;
-    }
-
-    pa_threaded_mainloop_unlock (g->mainloop);
-
-    return stream;
-
-fail:
-    pa_threaded_mainloop_unlock (g->mainloop);
-
-    if (stream) {
-        pa_stream_unref (stream);
-    }
-
-    *rerror = pa_context_errno (g->context);
-
-    return NULL;
-}
-
-static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
-                        void *drv_opaque)
-{
-    int error;
-    pa_sample_spec ss;
-    pa_buffer_attr ba;
-    struct audsettings obt_as = *as;
-    PAVoiceOut *pa = (PAVoiceOut *) hw;
-    paaudio *g = pa->g = drv_opaque;
-
-    ss.format = audfmt_to_pa (as->fmt, as->endianness);
-    ss.channels = as->nchannels;
-    ss.rate = as->freq;
-
-    /*
-     * qemu audio tick runs at 100 Hz (by default), so processing
-     * data chunks worth 10 ms of sound should be a good fit.
-     */
-    ba.tlength = pa_usec_to_bytes (10 * 1000, &ss);
-    ba.minreq = pa_usec_to_bytes (5 * 1000, &ss);
-    ba.maxlength = -1;
-    ba.prebuf = -1;
-
-    obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
-
-    pa->stream = qpa_simple_new (
-        g,
-        "qemu",
-        PA_STREAM_PLAYBACK,
-        g->conf.sink,
-        &ss,
-        NULL,                   /* channel map */
-        &ba,                    /* buffering attributes */
-        &error
-        );
-    if (!pa->stream) {
-        qpa_logerr (error, "pa_simple_new for playback failed\n");
-        goto fail1;
-    }
-
-    audio_pcm_init_info (&hw->info, &obt_as);
-    hw->samples = g->conf.samples;
-    pa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
-    pa->rpos = hw->rpos;
-    if (!pa->pcm_buf) {
-        dolog ("Could not allocate buffer (%d bytes)\n",
-               hw->samples << hw->info.shift);
-        goto fail2;
-    }
-
-    if (audio_pt_init (&pa->pt, qpa_thread_out, hw, AUDIO_CAP, AUDIO_FUNC)) {
-        goto fail3;
-    }
-
-    return 0;
-
- fail3:
-    g_free (pa->pcm_buf);
-    pa->pcm_buf = NULL;
- fail2:
-    if (pa->stream) {
-        pa_stream_unref (pa->stream);
-        pa->stream = NULL;
-    }
- fail1:
-    return -1;
-}
-
-static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
-{
-    int error;
-    pa_sample_spec ss;
-    struct audsettings obt_as = *as;
-    PAVoiceIn *pa = (PAVoiceIn *) hw;
-    paaudio *g = pa->g = drv_opaque;
-
-    ss.format = audfmt_to_pa (as->fmt, as->endianness);
-    ss.channels = as->nchannels;
-    ss.rate = as->freq;
-
-    obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
-
-    pa->stream = qpa_simple_new (
-        g,
-        "qemu",
-        PA_STREAM_RECORD,
-        g->conf.source,
-        &ss,
-        NULL,                   /* channel map */
-        NULL,                   /* buffering attributes */
-        &error
-        );
-    if (!pa->stream) {
-        qpa_logerr (error, "pa_simple_new for capture failed\n");
-        goto fail1;
-    }
-
-    audio_pcm_init_info (&hw->info, &obt_as);
-    hw->samples = g->conf.samples;
-    pa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
-    pa->wpos = hw->wpos;
-    if (!pa->pcm_buf) {
-        dolog ("Could not allocate buffer (%d bytes)\n",
-               hw->samples << hw->info.shift);
-        goto fail2;
-    }
-
-    if (audio_pt_init (&pa->pt, qpa_thread_in, hw, AUDIO_CAP, AUDIO_FUNC)) {
-        goto fail3;
-    }
-
-    return 0;
-
- fail3:
-    g_free (pa->pcm_buf);
-    pa->pcm_buf = NULL;
- fail2:
-    if (pa->stream) {
-        pa_stream_unref (pa->stream);
-        pa->stream = NULL;
-    }
- fail1:
-    return -1;
-}
-
-static void qpa_fini_out (HWVoiceOut *hw)
-{
-    void *ret;
-    PAVoiceOut *pa = (PAVoiceOut *) hw;
-
-    audio_pt_lock (&pa->pt, AUDIO_FUNC);
-    pa->done = 1;
-    audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC);
-    audio_pt_join (&pa->pt, &ret, AUDIO_FUNC);
-
-    if (pa->stream) {
-        pa_stream_unref (pa->stream);
-        pa->stream = NULL;
-    }
-
-    audio_pt_fini (&pa->pt, AUDIO_FUNC);
-    g_free (pa->pcm_buf);
-    pa->pcm_buf = NULL;
-}
-
-static void qpa_fini_in (HWVoiceIn *hw)
-{
-    void *ret;
-    PAVoiceIn *pa = (PAVoiceIn *) hw;
-
-    audio_pt_lock (&pa->pt, AUDIO_FUNC);
-    pa->done = 1;
-    audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC);
-    audio_pt_join (&pa->pt, &ret, AUDIO_FUNC);
-
-    if (pa->stream) {
-        pa_stream_unref (pa->stream);
-        pa->stream = NULL;
-    }
-
-    audio_pt_fini (&pa->pt, AUDIO_FUNC);
-    g_free (pa->pcm_buf);
-    pa->pcm_buf = NULL;
-}
-
-static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...)
-{
-    PAVoiceOut *pa = (PAVoiceOut *) hw;
-    pa_operation *op;
-    pa_cvolume v;
-    paaudio *g = pa->g;
-
-#ifdef PA_CHECK_VERSION    /* macro is present in 0.9.16+ */
-    pa_cvolume_init (&v);  /* function is present in 0.9.13+ */
-#endif
-
-    switch (cmd) {
-    case VOICE_VOLUME:
-        {
-            SWVoiceOut *sw;
-            va_list ap;
-
-            va_start (ap, cmd);
-            sw = va_arg (ap, SWVoiceOut *);
-            va_end (ap);
-
-            v.channels = 2;
-            v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX;
-            v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX;
-
-            pa_threaded_mainloop_lock (g->mainloop);
-
-            op = pa_context_set_sink_input_volume (g->context,
-                pa_stream_get_index (pa->stream),
-                &v, NULL, NULL);
-            if (!op)
-                qpa_logerr (pa_context_errno (g->context),
-                            "set_sink_input_volume() failed\n");
-            else
-                pa_operation_unref (op);
-
-            op = pa_context_set_sink_input_mute (g->context,
-                pa_stream_get_index (pa->stream),
-               sw->vol.mute, NULL, NULL);
-            if (!op) {
-                qpa_logerr (pa_context_errno (g->context),
-                            "set_sink_input_mute() failed\n");
-            } else {
-                pa_operation_unref (op);
-            }
-
-            pa_threaded_mainloop_unlock (g->mainloop);
-        }
-    }
-    return 0;
-}
-
-static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
-{
-    PAVoiceIn *pa = (PAVoiceIn *) hw;
-    pa_operation *op;
-    pa_cvolume v;
-    paaudio *g = pa->g;
-
-#ifdef PA_CHECK_VERSION
-    pa_cvolume_init (&v);
-#endif
-
-    switch (cmd) {
-    case VOICE_VOLUME:
-        {
-            SWVoiceIn *sw;
-            va_list ap;
-
-            va_start (ap, cmd);
-            sw = va_arg (ap, SWVoiceIn *);
-            va_end (ap);
-
-            v.channels = 2;
-            v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX;
-            v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX;
-
-            pa_threaded_mainloop_lock (g->mainloop);
-
-            /* FIXME: use the upcoming "set_source_output_{volume,mute}" */
-            op = pa_context_set_source_volume_by_index (g->context,
-                pa_stream_get_device_index (pa->stream),
-                &v, NULL, NULL);
-            if (!op) {
-                qpa_logerr (pa_context_errno (g->context),
-                            "set_source_volume() failed\n");
-            } else {
-                pa_operation_unref(op);
-            }
-
-            op = pa_context_set_source_mute_by_index (g->context,
-                pa_stream_get_index (pa->stream),
-                sw->vol.mute, NULL, NULL);
-            if (!op) {
-                qpa_logerr (pa_context_errno (g->context),
-                            "set_source_mute() failed\n");
-            } else {
-                pa_operation_unref (op);
-            }
-
-            pa_threaded_mainloop_unlock (g->mainloop);
-        }
-    }
-    return 0;
-}
-
-/* common */
-static PAConf glob_conf = {
-    .samples = 4096,
-};
-
-static void *qpa_audio_init (void)
-{
-    paaudio *g = g_malloc(sizeof(paaudio));
-    g->conf = glob_conf;
-    g->mainloop = NULL;
-    g->context = NULL;
-
-    g->mainloop = pa_threaded_mainloop_new ();
-    if (!g->mainloop) {
-        goto fail;
-    }
-
-    g->context = pa_context_new (pa_threaded_mainloop_get_api (g->mainloop),
-                                 g->conf.server);
-    if (!g->context) {
-        goto fail;
-    }
-
-    pa_context_set_state_callback (g->context, context_state_cb, g);
-
-    if (pa_context_connect (g->context, g->conf.server, 0, NULL) < 0) {
-        qpa_logerr (pa_context_errno (g->context),
-                    "pa_context_connect() failed\n");
-        goto fail;
-    }
-
-    pa_threaded_mainloop_lock (g->mainloop);
-
-    if (pa_threaded_mainloop_start (g->mainloop) < 0) {
-        goto unlock_and_fail;
-    }
-
-    for (;;) {
-        pa_context_state_t state;
-
-        state = pa_context_get_state (g->context);
-
-        if (state == PA_CONTEXT_READY) {
-            break;
-        }
-
-        if (!PA_CONTEXT_IS_GOOD (state)) {
-            qpa_logerr (pa_context_errno (g->context),
-                        "Wrong context state\n");
-            goto unlock_and_fail;
-        }
-
-        /* Wait until the context is ready */
-        pa_threaded_mainloop_wait (g->mainloop);
-    }
-
-    pa_threaded_mainloop_unlock (g->mainloop);
-
-    return g;
-
-unlock_and_fail:
-    pa_threaded_mainloop_unlock (g->mainloop);
-fail:
-    AUD_log (AUDIO_CAP, "Failed to initialize PA context");
-    qpa_audio_fini(g);
-    return NULL;
-}
-
-static void qpa_audio_fini (void *opaque)
-{
-    paaudio *g = opaque;
-
-    if (g->mainloop) {
-        pa_threaded_mainloop_stop (g->mainloop);
-    }
-
-    if (g->context) {
-        pa_context_disconnect (g->context);
-        pa_context_unref (g->context);
-    }
-
-    if (g->mainloop) {
-        pa_threaded_mainloop_free (g->mainloop);
-    }
-
-    g_free(g);
-}
-
-struct audio_option qpa_options[] = {
-    {
-        .name  = "SAMPLES",
-        .tag   = AUD_OPT_INT,
-        .valp  = &glob_conf.samples,
-        .descr = "buffer size in samples"
-    },
-    {
-        .name  = "SERVER",
-        .tag   = AUD_OPT_STR,
-        .valp  = &glob_conf.server,
-        .descr = "server address"
-    },
-    {
-        .name  = "SINK",
-        .tag   = AUD_OPT_STR,
-        .valp  = &glob_conf.sink,
-        .descr = "sink device name"
-    },
-    {
-        .name  = "SOURCE",
-        .tag   = AUD_OPT_STR,
-        .valp  = &glob_conf.source,
-        .descr = "source device name"
-    },
-    { /* End of list */ }
-};
-
-static struct audio_pcm_ops qpa_pcm_ops = {
-    .init_out = qpa_init_out,
-    .fini_out = qpa_fini_out,
-    .run_out  = qpa_run_out,
-    .write    = qpa_write,
-    .ctl_out  = qpa_ctl_out,
-
-    .init_in  = qpa_init_in,
-    .fini_in  = qpa_fini_in,
-    .run_in   = qpa_run_in,
-    .read     = qpa_read,
-    .ctl_in   = qpa_ctl_in
-};
-
-struct audio_driver pa_audio_driver = {
-    .name           = "pa",
-    .descr          = "http://www.pulseaudio.org/",
-    .options        = qpa_options,
-    .init           = qpa_audio_init,
-    .fini           = qpa_audio_fini,
-    .pcm_ops        = &qpa_pcm_ops,
-    .can_be_default = 1,
-    .max_voices_out = INT_MAX,
-    .max_voices_in  = INT_MAX,
-    .voice_size_out = sizeof (PAVoiceOut),
-    .voice_size_in  = sizeof (PAVoiceIn),
-    .ctl_caps       = VOICE_VOLUME_CAP
-};